Give contributor media image related permissions

Ref #128

config/sync/user.role.contributor.yml

@@ -4,6 +4,7 @@ status: true
 dependencies:
   config:
     - filter.format.full_html
+    - media.type.image
     - node.type.article
     - node.type.blog
     - node.type.page
@@ -14,6 +15,7 @@ dependencies:
     - contextual
     - file
     - filter
+    - media
     - node
     - shortcut
     - system
@@ -32,6 +34,7 @@ permissions:
   - 'access toolbar'
   - 'create article content'
   - 'create blog content'
+  - 'create image media'
   - 'create people content'
   - 'delete own files'
   - 'edit own article content'
@@ -41,5 +44,6 @@ permissions:
   - 'edit own people content'
   - 'edit terms in tags'
   - 'skip comment approval'
+  - 'update media'
   - 'use text format full_html'
   - 'view the administration theme'